395 lines
11 KiB
C++
395 lines
11 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2012, David Sansome <me@davidsansome.com>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include "version.h"
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#include <cstdlib>
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#include <getopt.h>
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#include <iostream>
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#include <QtGlobal>
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#include <QObject>
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#include <QIODevice>
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#include <QDataStream>
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#include <QBuffer>
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#include <QFile>
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#include <QFileInfo>
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#include <QByteArray>
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#include <QString>
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#include <QUrl>
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#include "commandlineoptions.h"
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#include "core/logging.h"
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const char *CommandlineOptions::kHelpText =
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"%1: strawberry [%2] [%3]\n"
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"\n"
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"%4:\n"
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" -p, --play %5\n"
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" -t, --play-pause %6\n"
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" -u, --pause %7\n"
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" -s, --stop %8\n"
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" -q, --stop-after-current %9\n"
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" -r, --previous %10\n"
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" -f, --next %11\n"
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" -v, --volume <value> %12\n"
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" --volume-up %13\n"
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" --volume-down %14\n"
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" --volume-increase-by %15\n"
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" --volume-decrease-by %16\n"
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" --seek-to <seconds> %17\n"
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" --seek-by <seconds> %18\n"
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" --restart-or-previous %19\n"
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"\n"
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"%20:\n"
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" -c, --create <name> %21\n"
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" -a, --append %22\n"
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" -l, --load %23\n"
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" -k, --play-track <n> %24\n"
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"\n"
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"%25:\n"
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" -o, --show-osd %26\n"
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" -y, --toggle-pretty-osd %27\n"
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" -g, --language <lang> %28\n"
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" --quiet %29\n"
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" --verbose %30\n"
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" --log-levels <levels> %31\n"
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" --version %32\n";
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const char *CommandlineOptions::kVersionText = "Strawberry %1";
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CommandlineOptions::CommandlineOptions(int argc, char* *argv)
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: argc_(argc),
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argv_(argv),
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url_list_action_(UrlList_None),
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player_action_(Player_None),
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set_volume_(-1),
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volume_modifier_(0),
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seek_to_(-1),
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seek_by_(0),
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play_track_at_(-1),
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show_osd_(false),
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toggle_pretty_osd_(false),
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log_levels_(logging::kDefaultLogLevels) {
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#ifdef Q_OS_DARWIN
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// Remove -psn_xxx option that Mac passes when opened from Finder.
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RemoveArg("-psn", 1);
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#endif
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// Remove the -session option that KDE passes
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RemoveArg("-session", 2);
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}
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void CommandlineOptions::RemoveArg(const QString &starts_with, int count) {
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for (int i = 0; i < argc_; ++i) {
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QString opt(argv_[i]);
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if (opt.startsWith(starts_with)) {
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for (int j = i; j < argc_ - count + 1; ++j) {
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argv_[j] = argv_[j + count];
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}
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argc_ -= count;
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break;
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}
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}
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}
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bool CommandlineOptions::Parse() {
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static const struct option kOptions[] = {
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{"help", no_argument, 0, 'h'},
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{"play", no_argument, 0, 'p'},
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{"play-pause", no_argument, 0, 't'},
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{"pause", no_argument, 0, 'u'},
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{"stop", no_argument, 0, 's'},
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{"stop-after-current", no_argument, 0, 'q'},
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{"previous", no_argument, 0, 'r'},
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{"next", no_argument, 0, 'f'},
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{"volume", required_argument, 0, 'v'},
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{"volume-up", no_argument, 0, VolumeUp},
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{"volume-down", no_argument, 0, VolumeDown},
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{"volume-increase-by", required_argument, 0, VolumeIncreaseBy},
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{"volume-decrease-by", required_argument, 0, VolumeDecreaseBy},
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{"seek-to", required_argument, 0, SeekTo},
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{"seek-by", required_argument, 0, SeekBy},
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{"restart-or-previous", no_argument, 0, RestartOrPrevious},
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{"create", required_argument, 0, 'c'},
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{"append", no_argument, 0, 'a'},
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{"load", no_argument, 0, 'l'},
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{"play-track", required_argument, 0, 'k'},
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{"show-osd", no_argument, 0, 'o'},
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{"toggle-pretty-osd", no_argument, 0, 'y'},
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{"language", required_argument, 0, 'g'},
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{"quiet", no_argument, 0, Quiet},
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{"verbose", no_argument, 0, Verbose},
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{"log-levels", required_argument, 0, LogLevels},
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{"version", no_argument, 0, Version},
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{0, 0, 0, 0}};
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// Parse the arguments
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bool ok = false;
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forever {
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int c = getopt_long(argc_, argv_, "hptusqrfv:c:alk:oyg:", kOptions, nullptr);
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// End of the options
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if (c == -1) break;
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switch (c) {
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case 'h': {
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QString translated_help_text =
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QString(kHelpText)
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.arg(tr("Usage"), tr("options"), tr("URL(s)"),
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tr("Player options"),
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tr("Start the playlist currently playing"),
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tr("Play if stopped, pause if playing"),
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tr("Pause playback"), tr("Stop playback"),
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tr("Stop playback after current track"))
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.arg(tr("Skip backwards in playlist"),
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tr("Skip forwards in playlist"),
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tr("Set the volume to <value> percent"),
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tr("Increase the volume by 4%"),
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tr("Decrease the volume by 4%"),
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tr("Increase the volume by <value> percent"),
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tr("Decrease the volume by <value> percent"))
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.arg(tr("Seek the currently playing track to an absolute "
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"position"),
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tr("Seek the currently playing track by a relative "
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"amount"),
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tr("Restart the track, or play the previous track if "
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"within 8 seconds of start."),
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tr("Playlist options"),
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tr("Create a new playlist with files"),
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tr("Append files/URLs to the playlist"),
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tr("Loads files/URLs, replacing current playlist"),
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tr("Play the <n>th track in the playlist"))
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.arg(tr("Other options"), tr("Display the on-screen-display"),
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tr("Toggle visibility for the pretty on-screen-display"),
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tr("Change the language"),
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tr("Equivalent to --log-levels *:1"),
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tr("Equivalent to --log-levels *:3"),
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tr("Comma separated list of class:level, level is 0-3"))
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.arg(tr("Print out version information"));
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std::cout << translated_help_text.toLocal8Bit().constData();
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return false;
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}
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case 'p':
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player_action_ = Player_Play;
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break;
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case 't':
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player_action_ = Player_PlayPause;
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break;
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case 'u':
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player_action_ = Player_Pause;
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break;
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case 's':
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player_action_ = Player_Stop;
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break;
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case 'q':
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player_action_ = Player_StopAfterCurrent;
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break;
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case 'r':
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player_action_ = Player_Previous;
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break;
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case 'f':
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player_action_ = Player_Next;
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break;
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case 'c':
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url_list_action_ = UrlList_CreateNew;
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playlist_name_ = QString(optarg);
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break;
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case 'a':
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url_list_action_ = UrlList_Append;
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break;
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case 'l':
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url_list_action_ = UrlList_Load;
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break;
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case 'o':
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show_osd_ = true;
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break;
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case 'y':
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toggle_pretty_osd_ = true;
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break;
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case 'g':
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language_ = QString(optarg);
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break;
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case VolumeUp:
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volume_modifier_ = +4;
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break;
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case VolumeDown:
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volume_modifier_ = -4;
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break;
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case Quiet:
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log_levels_ = "1";
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break;
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case Verbose:
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log_levels_ = "3";
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break;
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case LogLevels:
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log_levels_ = QString(optarg);
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break;
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case Version: {
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QString version_text = QString(kVersionText).arg(STRAWBERRY_VERSION_DISPLAY);
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std::cout << version_text.toLocal8Bit().constData() << std::endl;
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std::exit(0);
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}
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case 'v':
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set_volume_ = QString(optarg).toInt(&ok);
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if (!ok) set_volume_ = -1;
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break;
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case VolumeIncreaseBy:
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volume_modifier_ = QString(optarg).toInt(&ok);
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if (!ok) volume_modifier_ = 0;
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break;
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case VolumeDecreaseBy:
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volume_modifier_ = -QString(optarg).toInt(&ok);
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if (!ok) volume_modifier_ = 0;
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break;
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case SeekTo:
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seek_to_ = QString(optarg).toInt(&ok);
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if (!ok) seek_to_ = -1;
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break;
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case SeekBy:
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seek_by_ = QString(optarg).toInt(&ok);
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if (!ok) seek_by_ = 0;
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break;
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case RestartOrPrevious:
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player_action_ = Player_RestartOrPrevious;
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break;
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case 'k':
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play_track_at_ = QString(optarg).toInt(&ok);
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if (!ok) play_track_at_ = -1;
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break;
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case '?':
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default:
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return false;
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}
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}
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// Get any filenames or URLs following the arguments
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for (int i = optind; i < argc_; ++i) {
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QString value = QFile::decodeName(argv_[i]);
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QFileInfo file_info(value);
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if (file_info.exists())
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urls_ << QUrl::fromLocalFile(file_info.canonicalFilePath());
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else
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urls_ << QUrl::fromUserInput(value);
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}
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return true;
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}
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bool CommandlineOptions::is_empty() const {
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return player_action_ == Player_None &&
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set_volume_ == -1 &&
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volume_modifier_ == 0 &&
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seek_to_ == -1 &&
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seek_by_ == 0 &&
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play_track_at_ == -1 &&
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show_osd_ == false &&
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toggle_pretty_osd_ == false &&
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urls_.isEmpty();
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}
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bool CommandlineOptions::contains_play_options() const {
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return player_action_ != Player_None || play_track_at_ != -1 || !urls_.isEmpty();
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}
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QByteArray CommandlineOptions::Serialize() const {
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QBuffer buf;
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buf.open(QIODevice::WriteOnly);
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QDataStream s(&buf);
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s << *this;
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buf.close();
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return buf.data().toBase64();
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}
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void CommandlineOptions::Load(const QByteArray &serialized) {
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QByteArray copy = QByteArray::fromBase64(serialized);
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QBuffer buf(©);
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buf.open(QIODevice::ReadOnly);
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QDataStream s(&buf);
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s >> *this;
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}
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QString CommandlineOptions::tr(const char *source_text) {
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return QObject::tr(source_text);
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}
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QDataStream& operator<<(QDataStream &s, const CommandlineOptions &a) {
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s << qint32(a.player_action_)
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<< qint32(a.url_list_action_)
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<< a.set_volume_
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<< a.volume_modifier_
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<< a.seek_to_
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<< a.seek_by_
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<< a.play_track_at_
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<< a.show_osd_
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<< a.urls_
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<< a.log_levels_
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<< a.toggle_pretty_osd_;
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return s;
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}
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QDataStream& operator>>(QDataStream &s, CommandlineOptions &a) {
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quint32 player_action = 0;
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quint32 url_list_action = 0;
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s >> player_action
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>> url_list_action
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>> a.set_volume_
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>> a.volume_modifier_
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>> a.seek_to_
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>> a.seek_by_
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>> a.play_track_at_
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>> a.show_osd_
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>> a.urls_
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>> a.log_levels_
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>> a.toggle_pretty_osd_;
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a.player_action_ = CommandlineOptions::PlayerAction(player_action);
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a.url_list_action_ = CommandlineOptions::UrlListAction(url_list_action);
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return s;
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}
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